package com.sap.mall.product.exception;

import com.sap.common.exception.BizCodeEnum;
import com.sap.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

import static com.sap.common.exception.BizCodeEnum.UNKNOW_EXCEPTION;
import static com.sap.common.exception.BizCodeEnum.VALID_EXCEPTION;


/**
 * 集中处理所有异常
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.sap.mall.product.controller")
public class MallExceptionControllerAdvice {


    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{}，异常类型{}", e.getMessage(), e.getClass());
        HashMap<String, String> errorMap = new HashMap<>();
        BindingResult bindingResult = e.getBindingResult();
        bindingResult.getFieldErrors().forEach((it) -> {
            errorMap.put(it.getField(), it.getDefaultMessage());
        });

        return R.error(VALID_EXCEPTION.getCode(), VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        throwable.printStackTrace();
        return R.error(UNKNOW_EXCEPTION.getCode(), UNKNOW_EXCEPTION.getMsg());
    }
}
